﻿using System;
using System.Collections.Generic;

class LastDigitAsWord
{
    static void LastDigit(int testNumber)
    {
        int lastDigitOfNumber = testNumber % 10;
        switch (lastDigitOfNumber)
        {
            case 0:
                    Console.WriteLine("Zero");
                    break;
            case 1:
                    Console.WriteLine("One");
                    break;
            case 2:
                    Console.WriteLine("Two");
                    break;
            case 3:
                    Console.WriteLine("Three");
                    break;
            case 4:
                    Console.WriteLine("Four");
                    break;
            case 5:
                    Console.WriteLine("Five");
                    break;
            case 6:
                    Console.WriteLine("Six");
                    break;
            case 7:
                    Console.WriteLine("Seven");
                    break;
            case 8:
                    Console.WriteLine("Eight");
                    break;
            case 9:
                    Console.WriteLine("Nine");
                    break;
            default:
                    Console.WriteLine("Invalid input!");
                    break;
        }
    }
    static void Main()
    {
        Console.WriteLine("Enter a number:");
        int number = int.Parse(Console.ReadLine());
        LastDigit(number);
    
    }
}

